What a chawan is
Chawan (茶碗) literally means «tea bowl». It is the vessel matcha is made and drunk in, and in the Japanese tradition it is the most symbolically charged object in the whole set. Collectors pay tens of thousands of euros for a chawan with a history.
The dimensions matter
For the chasen to move properly the inside diameter needs to be at least 10 cm. The sweet spot for comfortable whisking is 11 to 13 cm. Very small chawan (under 9 cm) are awkward to use and give a poorer foam.
Depth matters less: 7 to 10 cm is the usual range. Taller, cylindrical chawan (the winter Raku style) hold heat better. Lower, open ones (the summer style) make whisking easier but cool the tea faster.
Which one to buy
Diameter is the figure that settles it, and it is exactly the one most listings leave out. Of the bowls that do give it, the Asayu Japan ceramic chawan made in Gifu (see the price on Amazon) is the only one made in Japan: 12.1 cm across by 7.7 tall, Gifu ceramic, lead free glaze. It lands squarely in the comfortable range for whisking.
Cheaper, and with dimensions on the listing too: the GOMETY 560 ml ceramic chawan with stand (see the price on Amazon), 12.5 cm across, 560 ml, and it throws in the chasen drying stand you would otherwise buy separately.
We do not link the 10 to 13 euro bowls sold as artisan chawan that publish no measurement at all. A bowl without a diameter is a bowl you cannot judge, and below 9 cm the chasen has no room to move.
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The main ceramic styles
| Style | Origin | Characteristics |
|---|---|---|
| Raku | Kyoto, 16th century | Hand-formed, low-fired, asymmetric. The style most bound up with wabi-sabi. Black (kuro-raku) or red (aka-raku). Warm to the touch because of its porosity. |
| Shino | Mino (Aichi) | Cream white with brown iron oxide markings. Very porous texture. It is the reference bowl of this site. |
| Hagi | Yamaguchi | Cream or salmon clay, translucent glaze. Hagi is said to «improve» with use, because the glaze gradually takes on the colour of the tea. |
| Bizen | Okayama | Unglazed, wood-fired. Orange-brown with fire marks. Very rough to the touch. |
| Oribe | Mino (Aichi) | Copper green glaze combined with brown iron. Geometric patterns. More decorative than the others. |
How to care for a chawan
- Never in the dishwasher. Thermal shock and harsh detergents crack the glaze and damage porous ceramic.
- Wash by hand with warm water and a soft cloth, without soap if you can: it can soak into unglazed ceramic and change the taste of the tea.
- Dry it upside down on a cloth or a bamboo stand. Never stack wet bowls.
- If crazing (ko-watari) appears in the glaze over time, that is not a fault: it is the natural ageing that gives the bowl its sabi.